SIGMOD 2026 Research Track Best Paper
GPM: The Gaussian Pancake Mechanism for Planting Undetectable Backdoors in Differential Privacy
Haochen Sun (University of Waterloo) and Xi He (University of Waterloo)
Honorable Mentions
F3: The Open-Source Data File Format for the Future
Xinyu Zeng (Tsinghua University), Ruijun Meng (Tsinghua University), Martin Prammer (Carnegie Mellon University), Wes McKinney (Posit PBC), Jignesh Patel (Carnegie Mellon University), Andrew Pavlo (Carnegie Mellon University), and Huanchen Zhang (Tsinghua University)
Integrating Vector Databases across Embedding Models
Beining Yang (University of Edinburgh), Yang Cao (University of Edinburgh), and Yang Ren (Edinburgh Research Center, Central Software Institute, Huawei)
Sublime: Sublinear Error & Space for Unbounded Skewed Streams
Navid Eslami (University of Toronto), Ioana Bercea (KTH Royal Institute of Technology), Rasmus Pagh (BARC, University of Copenhagen), Niv Dayan (University of Toronto)
The best paper selection committee members are Dan Olteanu, Divesh Srivastava (chair), Renata Borovica-Gajic, Tilmann Rabl, and Zack Ives.